mirror of
https://github.com/curioustorvald/Terrarum.git
synced 2026-03-16 00:26:07 +09:00
81 lines
2.7 KiB
Kotlin
81 lines
2.7 KiB
Kotlin
package net.torvald.terrarum
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import com.badlogic.gdx.Gdx
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import com.badlogic.gdx.graphics.GL20
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import com.badlogic.gdx.graphics.OrthographicCamera
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import com.badlogic.gdx.graphics.Texture
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import com.badlogic.gdx.graphics.g2d.SpriteBatch
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import com.badlogic.gdx.graphics.g2d.TextureRegion
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import com.badlogic.gdx.graphics.glutils.FrameBuffer
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import com.badlogic.gdx.math.Matrix4
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import kotlin.system.measureNanoTime
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/**
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* Must be called by the App Loader
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*/
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object PostProcessor {
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private lateinit var batch: SpriteBatch // not nulling to save some lines of code
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//private lateinit var camera: OrthographicCamera
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private var textureRegion: TextureRegion? = null
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private lateinit var lutTex: Texture
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fun reloadLUT(filename: String) {
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lutTex = Texture(Gdx.files.internal("assets/clut/$filename"))
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}
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fun draw(projMat: Matrix4, fbo: FrameBuffer) {
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if (textureRegion == null) {
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textureRegion = TextureRegion(fbo.colorBufferTexture)
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batch = SpriteBatch()
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//camera = OrthographicCamera(AppLoader.appConfig.width.toFloat(), AppLoader.appConfig.height.toFloat())
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//camera.setToOrtho(true, AppLoader.appConfig.width.toFloat(), AppLoader.appConfig.height.toFloat())
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//camera.update()
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Gdx.gl20.glViewport(0, 0, AppLoader.appConfig.width, AppLoader.appConfig.height)
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}
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Terrarum.debugTimers["GFX.PostProcessor"] = measureNanoTime {
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Gdx.gl.glClearColor(.094f, .094f, .094f, 0f)
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Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT)
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Gdx.gl.glEnable(GL20.GL_TEXTURE_2D)
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Gdx.gl.glEnable(GL20.GL_BLEND)
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Gdx.gl.glBlendFunc(GL20.GL_SRC_ALPHA, GL20.GL_ONE_MINUS_SRC_ALPHA)
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val shader = AppLoader.shader18Bit
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// no-screen screen renders but the game don't? wtf?
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fbo.colorBufferTexture.bind(0)
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shader.begin()
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shader.setUniformf("resolution", AppLoader.appConfig.width.toFloat(), AppLoader.appConfig.height.toFloat())
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shader.setUniformMatrix("u_projTrans", projMat)
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shader.setUniformi("u_texture", 0)
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AppLoader.fullscreenQuad.render(shader, GL20.GL_TRIANGLES)
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shader.end()
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Gdx.gl.glActiveTexture(GL20.GL_TEXTURE0) // so that batch that comes next will bind any tex to it
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}
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}
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/**
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* Camera will be moved so that (newX, newY) would be sit on the top-left edge.
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*/
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/*private fun setCameraPosition(newX: Float, newY: Float) {
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camera.position.set((-newX + Terrarum.HALFW).round(), (-newY + Terrarum.HALFH).round(), 0f)
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camera.update()
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batch.projectionMatrix = camera.combined
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}*/
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} |